diff --git a/doc/heimdal.texi b/doc/heimdal.texi
index 96bed561e..560e29b3b 100644
--- a/doc/heimdal.texi
+++ b/doc/heimdal.texi
@@ -41,7 +41,7 @@
 @def@copyrightend{}
 @page
 @copyrightstart
-Copyright (c) 1997-1999 Kungliga Tekniska Högskolan 
+Copyright (c) 1997-2000 Kungliga Tekniska Högskolan 
 (Royal Institute of Technology, Stockholm, Sweden).
 All rights reserved.